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Microsoft’s SharePoint Patch Failed To Stop Attacks

Microsoft fixes three SharePoint zero-day exploits used in series of cyberattacks - how to patch them

Microsoft has patched two critical zero-day SharePoint security flaws that have already been exploited by hackers to attack vulnerable organizations.

CSO Online · 10h

Microsoft’s incomplete SharePoint patch led to global exploits by China-linked hackers

· 3d · on MSN

New zero-day bug in Microsoft SharePoint under widespread attack

· 1d

US Nuclear Body Among Those Impacted By SharePoint Breech

Jake, when Bloomberg broke the story last night about this particular agency being hacked there is responsible for the development and disposal of nuclear weapons.

· 7h

Tally of Microsoft victims surges to 400 as hackers exploit SharePoint flaw

· 1d

US nuclear weapons agency breached using Microsoft SharePoint hack

· 1d

Microsoft Server Hack Has Now Hit 400 Victims, Researchers Say

Eye Security says the figure is likely an undercount.

· 17h

Microsoft says some SharePoint server hackers now use ransomware

· 1d

US Nuclear Weapons Agency Breached in Microsoft SharePoint Hack, Bloomberg News Reports

3don MSN

Hackers exploiting SharePoint zero-day seen targeting government agencies

The hackers behind the initial wave of attacks exploiting a zero-day in Microsoft SharePoint servers have so far primarily targeted government organizations, according to researchers and news reports.

SecurityWeek12h

ToolShell Attacks Hit 400+ SharePoint Servers, US Government Victims Named

More information has emerged on the ToolShell SharePoint zero-day attacks, including impact, victims, and threat actors.

Nextgov53m

Pentagon not impacted by Microsoft Sharepoint hack, tech chief says

The department has been holding daily calls with Microsoft since the zero-day was discovered, the DOD CIO said at an event Thursday.

TechCentral16h

SharePoint zero-day attackers now using ransomware

A cyber-espionage campaign centred on vulnerable Microsoft software now involves the deployment of ransomware.

The Hacker News4d

Critical Unpatched SharePoint Zero-Day Actively Exploited, Breaches 75+ Company Servers

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), in an alert, said it's aware of active exploitation of CVE-2025-53770, which enables unauthenticated access to SharePoint systems and arbitrary code execution over the network.

1don MSN

US nuclear weapons agency reportedly breached in Microsoft SharePoint attacks

Hours after Microsoft revealed hacking groups affiliated with the Chinese government have been exploiting a flaw in its SharePoint software, Bloomberg News reports that the National Nuclear Security Administration has also been breached in the attacks.

2don MSN

Microsoft SharePoint vulnerability: Why MS has released a 'zero-day' urgent update and who is at risk

Microsoft has released a critical patch for a security flaw in its SharePoint software. Hackers actively exploited this vulnerability, targeting businesses and US government agencies. The company issued the fix between July 19 and 20.